- Type: Fifth Wheel
- Layout: Bunkhouse, Rear Kitchen, Toy Hauler
MSRP
$140,679
Good Life Price:
$108,995
Brand New Line - Come Check It Out Today!
Features
MSRP
$140,679
Good Life Price:
$108,995
Brand New Line - Come Check It Out Today!
Overview
Seismic Floorplans
The 2026 Jayco Seismic Toy Hauler is built for adventure, offering rugged durability and high-end comfort for all-season camping. With Climate Shield™ zero-degree tested weather protection, a 35,000 BTU furnace, and double-layer fiberglass batt insulation, you’ll stay comfortable in any climate. The fully enclosed and heated underbelly ensures peace of mind even in freezing conditions.
The garage is built for versatility, featuring HappiJac® electric-lift queen beds/convertible sofas, a Tuff-ply rubberized floor liner, and three-seasons removable wall/doors. Outdoor living is maximized with a rear ramp patio kit, anti-slip flooring, and a rear electric patio awning. Select models also offer an outside HALO griddle with JayPort® LP quick-connect.
Tech-savvy conveniences include a 4K Smart LED HDTV, touch-screen Bluetooth® stereo, and a Keyed-Alike™ lock system. With a blend of durability, luxury, and cutting-edge technology, the 2026 Jayco Seismic Toy Hauler is ready for your next great adventure.
This 2026 Jayco Seismic 399 and many other Jayco floorplans are available at Good Life RV in Webster City, IA. Give us a call today! 515-832-5715
Specifications
- STOCK #: P8M0164
- Location: Webster City
- Year: 2026
- Condition: New
- GVWR lbs: 20,400
- Unloaded lbs: 14,950
- Hitch Weight: 3,310
- Fresh Gals: 106
- Grey Gals: 87
- Black Gals: 87
- Slideouts: 3
- Sleeps: Up to 8
- Layout: Bunkhouse, Rear Kitchen, Toy Hauler
- VIN: 1,543,721
- Interior Color: Dune Gray
- LENGTH: 46 ft
Options Included
- Half bath in Garage
- Jayco Customer Value Package
- Jayco Five Star Handling Package
- Outside Griddle for JayPort System
Floor Plan
Standards
Interior
Appliances
- 10 cu ft Fridge
- 11' Power Awning
- 17cu ft 12V Refrigerator
- 2 30# LP Bottles
- 21' Power Awning
- 21" Oven w/3 Burners
- 3 - 13.5K BTU Soft-Start, High-Efficiency, Ducted A/Cs (Living Room & Bedroom)
- 30" Microwave Oven
- 32" 4K Outside Smart LED TV
- 32" 4K Smart LED TV in Bedroom
- 35K BTU Furnace
- 40" 4K Ultra LED HD Smart TV in Living Area
- Backup Camera prep
- Backup, Main Entrance Door and Side Observation Security Camera Prep
- Bathroom Vent w/Rain Sensor
- Bedroom TV, Satellite and Cable Prep
- Bluetooth Light Switches Throughout
- Central Vacuum System with Dust Port
- Digital TV Antenna
- Exterior Light & Outlet at the Jayport location
- Exterior Marine-Grade Speakers w/Bluetooth Controller
- Full Digital HDMI output from TV in Living Area and 2 Extra HDMI Cables
- High-Visability LED Exterior Lighting
- Independent Satellite & Cable Hookups (Outside Kitchens and/or Storage Areas)
- LED Fireplace w/5K Electric Space Heater
- LED High-Intensity Ramp Lights
- LED Lights w/Dimmer Switches & Motion Activation (Throughout Interior)
- LP Quick Connect for Gas Griddle (next to JayPort)
- NPS - Powered by Yamaha 6K Watt Generator w/Built-In Pure Sine Inverter
- On Demand Tankless Water Heater
- Overlander 2 Solar Package (2-200W Solar Panels, 30AMP MPPT RV-C Solar Controller, 1800W RV-C Inverter)
- Quick-Connect Water Connections (Door Side Hot/Cold and Off-Door Side Cold Only)
- Rear Electric Patio Awning
- Residential 'Do it All' Sink
- Residential Kitchen Faucet w/Pullout Sprayer
- Residential Walk-In Shower w./Teak Seat
- Touch-Screen Bluetooth Stereo w/4 Speakers
- USB-C 12V Charging Ports Throughout
- Washer/Dryer Prep
- Winegard Air 360 + Antenna & Router Prep
- Wireless Remote Control System (Includes Bluetooth Wireless controls) w/Dimmer Switches
Furniture
- 3 Season Removable Garage/Wall Doors
- 75lb Full Extension Ball-Bearing Drawer Guides
- Cedar Lined Front Closet
- Closet w/Washer & Dryer Prep
- Dual CPap shelves
- Extended Roll-Top Dinette Table
- Glass Shower Door
- Handcrafted and Glazed Doors, Drawers and Trim
- Happijack Power Bed System
- Hardwood Safety Rail on Hallway Steps
- High-Sheen Handcrafted Door and Drawer Fronts
- Intergrated Under-Mount Sink and Lever Faucet in Main Bathroom
- King Bed (72" x 80") Mattress w/Under Bed Storage
- L-Shaped Sofa with Recliners and Tri-Fold Sofa
- Large Walk-In Closet
- Magnetic Catches for All Drawers and Doors
- Night Roller Shades
- Porcelain Foot-Flush Toilet
- Pull Out Cutting Board Above Trash Can
- Pull Out Pantry
- Ramp Patio Kit w/Exterior Steps
- Rear Ramp Door & Patio w/Anti-Slip, Non-Skid Flooring
- Residential Bedroom Dresser
- Residential Dovetail-Jointed Soft Close Cabinets & Drawers
- Residential Quilted Bedspread and Pillow Shams
- Residential-Style Hidden Cabinet Door Hinges
- Residential, Solide-Surface Kitchen & Bathroom Countertops
- Solid Hardwood Cabinet Doors w/Screwed Stile Construction & Hidden Hinges
- Solid Hardwood Slideout Fascia
- SuperSofa or Theater Seats w/Heat, Massage and LED Lighting (Select Models)
- Under-bed storage with gas struts
- Vinyl Flooring Throughout
Layout
- Bunkhouse
- Rear Kitchen
- Toy Hauler
Safety
- Carbon Monoxide Detector
- Fire Extinguisher
- Hitch Light
- LP Detector
- MORryde Safe-T-Rail Grab Handle
- Safety Breakaway
- Smoke Detector
- Step Light
- Under-Mounted Spare Tire
Exterior
Construction
- 100% No Floor Heat Vents
- 102" Widebody Design
- 12" Structural Steel I-Beam with 8-10" Monster Beam Steel Drop Frame
- 120V Heat Blankets on All Tanks
- 12V Charging Station
- 12V Heat Tape on Freshwater Line
- 3/8" Tongue-N-Groove Plywood Roof Decking
- 30gal Fuel tank w/Timer
- 4" Interior Ceiling Can Light (4K Lumen)
- 45'11" Overall Length
- 5" Fresh Water Drain Valve
- 5/8" Tongue & Groove Plywood Floor Decking
- 50 Amp w/Dual A/C Ducts
- Additional Dump Valve at Termination
- AlphaPly TPO Roof Membrane (Thickest Roof Membrane w/Limited Lifetime Warranty)
- Auto-Grade Vinyl Graphics
- Bath Skylight
- Black Tank Flush
- Built In Sewer Hose Carrier
- Central Command Center w/Built-In Tank Monitoring
- Climate Shield Zero to 100 Degree Tested Weather Insulation Package
- Commercial Grade Rubber Flooring in Pass Thru Areas
- Dark-Tinted, Frameless Windows
- Directional and Closable A/C Vents
- Double-Layer Fiberglass Batt Insulation in Ceiling and Floor
- Double-Sided Radiant Barrier Insulation (Roof, Floor and Behind Cap)
- Dual Duct Cooling System w/Larger Return Air Vents and Accessible Filters
- Entry Door w/Window & Shade Prep
- Extra 120V Power Outlets in Kitchen and Slide Rooms
- Fully Enclosed and Heated Underbelly (Ducted)
- Garage D-Rings Mounted to Steel Frame
- HELIX Cooling System (Industry Exclusive)
- High Gloss Gel Coated Fiberglass Exterior
- Inverter Pre-Wire Outlets
- JAYCOMMAND Smart RV System (Pro Tablet)
- JAYCOMMAND w/Monitor Switch Panel
- JayPort 2" Mount (for Outside Accessories)
- JaySMART LED Lighting
- Keyed Alike (One Key For All Entry and Baggage Doors)
- Large Exterior Downspouts
- LED Light and Switch at Termination
- LED Lighting Above Slideouts
- LED Lighting in Pass Thru Area
- Magnum Truss Roof System
- Nautilius 2.5 Water Connections
- Oversized Multi-Battery Compartment (Room for 4-6 Batteries)
- Painted Fiberglass Front Cap w/Clear Coat and LED Lighting
- Pass Thru Storage w/Slam Latch Baggage Doors
- PEX Plumbing
- Powered 50-Amp Cord Reel
- Ram Air Vents and Power Roof Vent
- Rear Ladder
- Residential NuvoH20 Whole Coach Water Treatment System w/Water Softening & Triple Cartridge Filters
- Skirt Metal Enclosed Drop Frame
- Slide Topper Prep
- SpartanLync TPMS Monitoring System
- Stronghold VBL Walls (Laminated Sidewalls, Rear Walls and Slide-Out Walls)
- Toe-Kick Nightlights in Bedroom & Bathroom
- Tuff-Ply Rubberized Garage Floor Liner
- Water Heater Bypass Kit
- Water Shutoff On All Faucet Locations
- Wet Bolt Fasteners w/Bronze Bushings
- Winterization and Sanitation Hookups
Chassis
- 3K lb Tow Hitch w/4-way Pin
- 6-Point Hydraulic Leveling System
- Black, Custom Machined Aluminum Rims
- Dexter Axles w/NEV-R-Adjust Brakes and E-Z Lube hubs
- MORryde Strut Assisted Fold Away Entrance Steps (Main Entrance)
- MORryde® CRE3000 Suspension System
- Rota-Flex King Pin
- Tire Size 215/75R17.5'H
Disclaimer: We make every effort for complete and accurate descriptions of our RVs, but manufacturers and certain campers have changes or options that may not be noted and may differ. GLRV is not to be held responsible for misprints. Please verify the equipment on your RV before purchasing.
2026 Jayco Seismic 399
Call Us!
MSRP
$140,679
Good Life Price:
$108,995
Brand New Line - Come Check It Out Today!